Finite wave vector pairing in doped two-leg ladders
classification
❄️ cond-mat.str-el
cond-mat.supr-con
keywords
dopedladdersprocessestwo-legumklappwavebandchanges
read the original abstract
We consider the effects of Umklapp processes in doped two-leg fermionic ladders. These may emerge either at special band fillings or as a result of the presence of external periodic potentials. We show that such Umklapp processes can lead to profound changes of physical properties and in particular stabilize pair-density wave phases.
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